CN110725473A - Be applied to configuration strengthening rib roof beam component of building - Google Patents
Be applied to configuration strengthening rib roof beam component of building Download PDFInfo
- Publication number
- CN110725473A CN110725473A CN201911105876.1A CN201911105876A CN110725473A CN 110725473 A CN110725473 A CN 110725473A CN 201911105876 A CN201911105876 A CN 201911105876A CN 110725473 A CN110725473 A CN 110725473A
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- Prior art keywords
- beam member
- reinforcement
- strength
- value
- reinforcing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005728 strengthening Methods 0.000 title abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 29
- 230000002787 reinforcement Effects 0.000 claims abstract description 25
- 239000004567 concrete Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 18
- 239000010959 steel Substances 0.000 abstract description 18
- 239000002699 waste material Substances 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The application discloses be applied to configuration strengthening rib roof beam component of building, including the roof beam body with dispose the strengthening rib in the roof beam body, its characterized in that, the value of the cross-sectional area of strengthening rib and the effective sectional area of roof beam body definition for reinforcement ratio beta is calculated according to formula one and is reachd:
wherein a is a coefficient, b is an aspect ratio of the beam member, M is a strength design value of the beam member, h0 is an effective height of the beam member, and fy is a tensile strength design value of the reinforcing rib. The invention provides the reasonable reinforcement ratio value range of the beam member configured with the high-strength reinforcement, solves the problem of application of the high-strength reinforcement in the prior art, avoids waste caused by excessive reinforcement, saves steel, fully exerts the excellent performance of the high-strength reinforcement, and can ensure the sufficient bearing capacity of the beam member.
Description
Technical Field
The application relates to the field of buildings, in particular to a configured reinforcing bar beam member applied to buildings.
Background
The support is a common building material, and is usually made of steel bars and concrete material, and the common support is a beam, a plate, a column, etc. Taking a beam member as an example, because the tensile strength of a concrete material is weak, in order to enhance the bearing capacity of the beam member, a reasonable amount of steel bars are usually arranged in the tension area of the beam member, so as to fully exert the compressive strength of the concrete in the compression area of the beam member and the good tensile strength of the steel bars in the tension area. The high-strength steel bars of 600MPa grade and above are disclosed, so that the using amount of the steel bars in the reinforced concrete structure can be greatly saved, the consumed materials are saved, and the cost is reduced.
Disclosure of Invention
The application mainly aims to provide a configured reinforcing bar beam member applied to a building so as to solve the problem that material proportioning is not reasonable.
In order to achieve the above object, according to one aspect of the present application, there is provided a deployed reinforcing bar beam member applied to a building.
The configured reinforcing bar beam member applied to the building according to the present application includes: the reinforcing rib reinforcing structure comprises a beam body and a reinforcing rib arranged in the beam body, and is characterized in that the ratio of the cross-sectional area of the reinforcing rib to the effective cross-sectional area of the beam body is defined as the value of a reinforcement ratio beta, and is calculated according to a formula I:
wherein a is a coefficient, b is an aspect ratio of the beam member, M is a strength design value of the beam member, h0 is an effective height of the beam member, and fy is a tensile strength design value of the reinforcing rib.
Further, the beam body is made of a concrete material.
Furthermore, the reinforcing ribs are high-strength reinforcing steel bars with the strength of 601MPa to 730 MPa.
Further, the reinforcement ratio β ranges from 0.2% to 1.741%.
Further, the reinforcing rib is arranged in a tension area of the beam body.
Further, the height-to-width ratio b of the beam member ranges from 2 to 3.5.
Further, the value range of the coefficient a is 1.062 to 1.292.
Further, the value of the coefficient a is calculated according to a formula two:
wherein b is the height-width ratio of the beam member, M is the designed strength value of the beam member, h0 is the effective height of the beam member, and fc is the designed compressive strength value of the beam body.
The invention provides the reasonable reinforcement ratio value range of the beam member configured with the high-strength reinforcement, solves the problem of application of the high-strength reinforcement in the prior art, avoids waste caused by excessive reinforcement, saves steel, fully exerts the excellent performance of the high-strength reinforcement, and can ensure the sufficient bearing capacity of the beam member.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic illustration of a beam member structure according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, a beam member provided with high-strength steel bars, which is applied to a building, includes a beam body 1 and reinforcing bars 2. The beam body is made of concrete material; the reinforcing ribs are high-strength reinforcing steel bars of 601MPa to 730 MPa; the reinforcing ribs are arranged in the tension area of the beam body; the designed strength value of the beam member is M; effective height of the beam member is h0(ii) a High strength reinforcing bar tensile strength of beam memberDegree design value of fy(ii) a The ratio of the cross-sectional area of the high-strength steel bar arranged on the beam member to the effective cross-sectional area of the beam body is defined as a reinforcement ratio beta, and the reinforcement ratio beta ranges from 0.2% to 1.741%. The beam member reinforcement ratio beta, the strength design value M, the beam member effective height h0 and the high-strength reinforcement tensile strength design value fySatisfies the following relationship:
wherein the value range of the coefficient a is 1.062 to 1.292, and the value of the coefficient a is equal to the designed compressive strength value f of the concrete selected by the beam bodycEffective height h of beam member0The height-to-width ratio b of the beam member and the design strength M of the beam member are related, and the following relationship is satisfied:
the coefficient b represents the height-to-width ratio of the beam member, and the value range is 2 to 3.5.
Examples
As a specific embodiment, the beam member is applied to buildings and is provided with high-strength steel bars. The beam body is made of a C50 strength grade concrete material; the reinforcing ribs are 601 and 730MPa high-strength reinforcing steel bars, and 630MPa high-strength reinforcing steel bars are selected as an example; the reinforcing ribs are arranged in the tension area of the beam body; the reinforcement ratio beta of the reinforcing ribs ranges from 0.2% to 1.741%.
As a specific implementation mode, a high-strength steel bar with the pressure of 630MPa is taken as an example. The designed strength value of the beam member is M250 kN.m; the beam member has a cross-sectional dimension of 250mm x 500mm and an effective height h0Is 460 mm; the design value of the tensile strength of the high-strength steel bar of the beam member is fyAbout equal to 545 MPa; the beam member reinforcement ratio beta, the strength design value M and the effective height h of the beam member provided by the invention0High-strength steel bar tensile strength design value fyThe calculation relationship between:
and substituting the obtained steel bar ratio into the steel bar to obtain the steel bar ratio of 1.094 percent, which meets the requirement that the steel bar ratio range of the beam member provided with the high-strength steel bar is 0.2-1.741 percent.
Wherein the value range of the coefficient a is 1.062-1.292, and the design value f is determined according to the compressive strength of the selected concretecEffective height h of beam member0The height-width ratio b of the two members and the design strength M of the beam member are substituted into the value relation of the coefficient a:
obtaining coefficient a which is 1.161; the coefficient b represents the aspect ratio of the beam member and is 2.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. A beam component provided with reinforcing ribs and applied to buildings comprises a beam body and reinforcing ribs arranged in the beam body, and is characterized in that the ratio of the cross section area of the reinforcing ribs to the effective cross section area of the beam body is defined as the value of a reinforcement ratio beta and is calculated according to a formula I:
wherein a is a coefficient, b is an aspect ratio of the beam member, M is a designed strength value of the beam member, h0Is the effective height, f, of the beam memberyThe design value is the tensile strength of the reinforcing rib.
2. A configured reinforcement beam member for use in construction according to claim 1, wherein the beam body is made of concrete material.
3. The configured reinforcing beam member for use in construction according to claim 1, wherein the reinforcing bars are high-strength reinforcing bars having a strength of 601MPa to 730 MPa.
4. A configured reinforcement beam member for use in construction according to claim 1, wherein the reinforcement ratio β is in the range of 0.2% to 1.741%.
5. A configured reinforcement beam member for use in construction according to claim 1, wherein the reinforcement is configured in the tension zone of the beam body.
6. A configured reinforcing beam member for use in buildings as claimed in claim 1 wherein the aspect ratio b of the beam member is in the range 2 to 3.5.
7. A configured reinforcing beam member for use in buildings according to claim 1 wherein the coefficient a has a value in the range of 1.062 to 1.292.
8. A configured reinforcing beam member for use in buildings according to claim 1 wherein the value of the coefficient a is calculated according to formula two:
wherein b is the height-width ratio of the beam member, M is the designed strength value of the beam member, h0 is the effective height of the beam member, and fc is the designed compressive strength value of the beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911105876.1A CN110725473B (en) | 2019-11-13 | 2019-11-13 | Be applied to configuration strengthening rib roof beam component of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911105876.1A CN110725473B (en) | 2019-11-13 | 2019-11-13 | Be applied to configuration strengthening rib roof beam component of building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110725473A true CN110725473A (en) | 2020-01-24 |
| CN110725473B CN110725473B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911105876.1A Active CN110725473B (en) | 2019-11-13 | 2019-11-13 | Be applied to configuration strengthening rib roof beam component of building |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116335342A (en) * | 2022-12-21 | 2023-06-27 | 安徽吾兴新材料有限公司 | Configuration strengthening rib post component based on high-strength longitudinal rib |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08105157A (en) * | 1994-10-04 | 1996-04-23 | Toshiro Suzuki | Reinforced concrete member and reinforcing rod for concrete |
| WO2007137365A1 (en) * | 2006-05-31 | 2007-12-06 | The University Of Wollongong | Reinforced structural concrete members and methods concerning same |
| CN102359229A (en) * | 2011-08-05 | 2012-02-22 | 重庆大学 | Suitable method for determining ideal ratio of reinforcement of reinforced concrete beam under usage of bending moment |
| JP2012057311A (en) * | 2010-09-06 | 2012-03-22 | Tokyu Construction Co Ltd | Design method of reinforced concrete beam and reinforced concrete beam |
| CN108018993A (en) * | 2018-01-11 | 2018-05-11 | 姚圣法 | Supporting item applied to building |
| CN211369256U (en) * | 2019-11-13 | 2020-08-28 | 江苏森林建筑新材料股份有限公司 | Be applied to configuration strengthening rib roof beam component of building |
-
2019
- 2019-11-13 CN CN201911105876.1A patent/CN110725473B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08105157A (en) * | 1994-10-04 | 1996-04-23 | Toshiro Suzuki | Reinforced concrete member and reinforcing rod for concrete |
| WO2007137365A1 (en) * | 2006-05-31 | 2007-12-06 | The University Of Wollongong | Reinforced structural concrete members and methods concerning same |
| JP2012057311A (en) * | 2010-09-06 | 2012-03-22 | Tokyu Construction Co Ltd | Design method of reinforced concrete beam and reinforced concrete beam |
| CN102359229A (en) * | 2011-08-05 | 2012-02-22 | 重庆大学 | Suitable method for determining ideal ratio of reinforcement of reinforced concrete beam under usage of bending moment |
| CN108018993A (en) * | 2018-01-11 | 2018-05-11 | 姚圣法 | Supporting item applied to building |
| CN211369256U (en) * | 2019-11-13 | 2020-08-28 | 江苏森林建筑新材料股份有限公司 | Be applied to configuration strengthening rib roof beam component of building |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116335342A (en) * | 2022-12-21 | 2023-06-27 | 安徽吾兴新材料有限公司 | Configuration strengthening rib post component based on high-strength longitudinal rib |
| CN116335342B (en) * | 2022-12-21 | 2024-04-30 | 安徽吾兴新材料有限公司 | Configuration strengthening rib post component based on high-strength longitudinal rib |
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| CN110725473B (en) | 2024-04-26 |
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